83982975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 148204800

約数和(自身を除く): 64221825

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 199, 255, 331, 425, 597, 993, 995, 1275, 1655, 2985, 3383, 4965, 4975, 5627, 8275, 10149, 14925, 16881, 16915, 24825, 28135, 50745, 65869, 84405, 84575, 140675, 197607, 253725, 329345, 422025, 988035, 1119773, 1646725, 3359319, 4940175, 5598865, 16796595, 27994325, 83982975]

約数ペア:

[(1, 83982975), (3, 27994325), (5, 16796595), (15, 5598865), (17, 4940175), (25, 3359319), (51, 1646725), (75, 1119773), (85, 988035), (199, 422025), (255, 329345), (331, 253725), (425, 197607), (597, 140675), (993, 84575), (995, 84405), (1275, 65869), (1655, 50745), (2985, 28135), (3383, 24825), (4965, 16915), (4975, 16881), (5627, 14925), (8275, 10149)]