29681325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 27770355

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 53, 57, 75, 95, 131, 159, 171, 225, 265, 285, 393, 475, 477, 655, 795, 855, 1007, 1179, 1325, 1425, 1965, 2385, 2489, 3021, 3275, 3975, 4275, 5035, 5895, 6943, 7467, 9063, 9825, 11925, 12445, 15105, 20829, 22401, 25175, 29475, 34715, 37335, 45315, 62225, 62487, 75525, 104145, 112005, 131917, 173575, 186675, 226575, 312435, 395751, 520725, 560025, 659585, 1187253, 1562175, 1978755, 3297925, 5936265, 9893775, 29681325]

約数ペア:

[(1, 29681325), (3, 9893775), (5, 5936265), (9, 3297925), (15, 1978755), (19, 1562175), (25, 1187253), (45, 659585), (53, 560025), (57, 520725), (75, 395751), (95, 312435), (131, 226575), (159, 186675), (171, 173575), (225, 131917), (265, 112005), (285, 104145), (393, 75525), (475, 62487), (477, 62225), (655, 45315), (795, 37335), (855, 34715), (1007, 29475), (1179, 25175), (1325, 22401), (1425, 20829), (1965, 15105), (2385, 12445), (2489, 11925), (3021, 9825), (3275, 9063), (3975, 7467), (4275, 6943), (5035, 5895)]