28983825

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 58135168

約数和(自身を除く): 29151343

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 367, 405, 585, 675, 975, 1053, 1101, 1215, 1755, 1835, 2025, 2925, 3159, 3303, 4771, 5265, 5505, 6075, 8775, 9175, 9909, 14313, 15795, 16515, 23855, 26325, 27525, 29727, 42939, 49545, 71565, 78975, 82575, 89181, 119275, 128817, 148635, 214695, 247725, 357825, 386451, 445905, 644085, 743175, 1073475, 1159353, 1932255, 2229525, 3220425, 5796765, 9661275, 28983825]

約数ペア:

[(1, 28983825), (3, 9661275), (5, 5796765), (9, 3220425), (13, 2229525), (15, 1932255), (25, 1159353), (27, 1073475), (39, 743175), (45, 644085), (65, 445905), (75, 386451), (81, 357825), (117, 247725), (135, 214695), (195, 148635), (225, 128817), (243, 119275), (325, 89181), (351, 82575), (367, 78975), (405, 71565), (585, 49545), (675, 42939), (975, 29727), (1053, 27525), (1101, 26325), (1215, 23855), (1755, 16515), (1835, 15795), (2025, 14313), (2925, 9909), (3159, 9175), (3303, 8775), (4771, 6075), (5265, 5505)]