65787975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 135408000

約数和(自身を除く): 69620025

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 627, 825, 855, 1045, 1399, 1425, 1881, 2475, 3135, 4197, 4275, 5225, 6995, 9405, 12591, 15389, 15675, 20985, 26581, 34975, 46167, 47025, 62955, 76945, 79743, 104925, 132905, 138501, 230835, 239229, 292391, 314775, 384725, 398715, 664525, 692505, 877173, 1154175, 1196145, 1461955, 1993575, 2631519, 3462525, 4385865, 5980725, 7309775, 13157595, 21929325, 65787975]

約数ペア:

[(1, 65787975), (3, 21929325), (5, 13157595), (9, 7309775), (11, 5980725), (15, 4385865), (19, 3462525), (25, 2631519), (33, 1993575), (45, 1461955), (55, 1196145), (57, 1154175), (75, 877173), (95, 692505), (99, 664525), (165, 398715), (171, 384725), (209, 314775), (225, 292391), (275, 239229), (285, 230835), (475, 138501), (495, 132905), (627, 104925), (825, 79743), (855, 76945), (1045, 62955), (1399, 47025), (1425, 46167), (1881, 34975), (2475, 26581), (3135, 20985), (4197, 15675), (4275, 15389), (5225, 12591), (6995, 9405)]