87973965

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 168998400

約数和(自身を除く): 81024435

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 87, 115, 135, 145, 207, 261, 345, 435, 621, 667, 783, 977, 1035, 1305, 2001, 2931, 3105, 3335, 3915, 4885, 6003, 8793, 10005, 14655, 18009, 22471, 26379, 28333, 30015, 43965, 67413, 84999, 90045, 112355, 131895, 141665, 202239, 254997, 337065, 424995, 606717, 651659, 764991, 1011195, 1274985, 1954977, 3033585, 3258295, 3824955, 5864931, 9774885, 17594793, 29324655, 87973965]

約数ペア:

[(1, 87973965), (3, 29324655), (5, 17594793), (9, 9774885), (15, 5864931), (23, 3824955), (27, 3258295), (29, 3033585), (45, 1954977), (69, 1274985), (87, 1011195), (115, 764991), (135, 651659), (145, 606717), (207, 424995), (261, 337065), (345, 254997), (435, 202239), (621, 141665), (667, 131895), (783, 112355), (977, 90045), (1035, 84999), (1305, 67413), (2001, 43965), (2931, 30015), (3105, 28333), (3335, 26379), (3915, 22471), (4885, 18009), (6003, 14655), (8793, 10005)]