82874025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 165536280

約数和(自身を除く): 82662255

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 195, 225, 261, 325, 377, 435, 585, 725, 975, 977, 1131, 1305, 1885, 2175, 2925, 2931, 3393, 4885, 5655, 6525, 8793, 9425, 12701, 14655, 16965, 24425, 28275, 28333, 38103, 43965, 63505, 73275, 84825, 84999, 114309, 141665, 190515, 219825, 254997, 317525, 368329, 424995, 571545, 708325, 952575, 1104987, 1274985, 1841645, 2124975, 2857725, 3314961, 5524935, 6374925, 9208225, 16574805, 27624675, 82874025]

約数ペア:

[(1, 82874025), (3, 27624675), (5, 16574805), (9, 9208225), (13, 6374925), (15, 5524935), (25, 3314961), (29, 2857725), (39, 2124975), (45, 1841645), (65, 1274985), (75, 1104987), (87, 952575), (117, 708325), (145, 571545), (195, 424995), (225, 368329), (261, 317525), (325, 254997), (377, 219825), (435, 190515), (585, 141665), (725, 114309), (975, 84999), (977, 84825), (1131, 73275), (1305, 63505), (1885, 43965), (2175, 38103), (2925, 28333), (2931, 28275), (3393, 24425), (4885, 16965), (5655, 14655), (6525, 12701), (8793, 9425)]