23718825

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 51043608

約数和(自身を除く): 27324783

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 53, 65, 75, 81, 85, 117, 135, 153, 159, 195, 221, 225, 255, 265, 325, 351, 405, 425, 459, 477, 585, 663, 675, 689, 765, 795, 901, 975, 1053, 1105, 1275, 1325, 1377, 1431, 1755, 1989, 2025, 2067, 2295, 2385, 2703, 2925, 3315, 3445, 3825, 3975, 4293, 4505, 5265, 5525, 5967, 6201, 6885, 7155, 8109, 8775, 9945, 10335, 11475, 11713, 11925, 13515, 16575, 17225, 17901, 18603, 21465, 22525, 24327, 26325, 29835, 31005, 34425, 35139, 35775, 40545, 49725, 51675, 55809, 58565, 67575, 72981, 89505, 93015, 105417, 107325, 121635, 149175, 155025, 175695, 202725, 279045, 292825, 316251, 364905, 447525, 465075, 527085, 608175, 878475, 948753, 1395225, 1581255, 1824525, 2635425, 4743765, 7906275, 23718825]

約数ペア:

[(1, 23718825), (3, 7906275), (5, 4743765), (9, 2635425), (13, 1824525), (15, 1581255), (17, 1395225), (25, 948753), (27, 878475), (39, 608175), (45, 527085), (51, 465075), (53, 447525), (65, 364905), (75, 316251), (81, 292825), (85, 279045), (117, 202725), (135, 175695), (153, 155025), (159, 149175), (195, 121635), (221, 107325), (225, 105417), (255, 93015), (265, 89505), (325, 72981), (351, 67575), (405, 58565), (425, 55809), (459, 51675), (477, 49725), (585, 40545), (663, 35775), (675, 35139), (689, 34425), (765, 31005), (795, 29835), (901, 26325), (975, 24327), (1053, 22525), (1105, 21465), (1275, 18603), (1325, 17901), (1377, 17225), (1431, 16575), (1755, 13515), (1989, 11925), (2025, 11713), (2067, 11475), (2295, 10335), (2385, 9945), (2703, 8775), (2925, 8109), (3315, 7155), (3445, 6885), (3825, 6201), (3975, 5967), (4293, 5525), (4505, 5265)]