64998375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 118809600

約数和(自身を除く): 53811225

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 67, 75, 125, 195, 199, 201, 325, 335, 375, 597, 871, 975, 995, 1005, 1625, 1675, 2587, 2613, 2985, 4355, 4875, 4975, 5025, 7761, 8375, 12935, 13065, 13333, 14925, 21775, 24875, 25125, 38805, 39999, 64675, 65325, 66665, 74625, 108875, 173329, 194025, 199995, 323375, 326625, 333325, 519987, 866645, 970125, 999975, 1666625, 2599935, 4333225, 4999875, 12999675, 21666125, 64998375]

約数ペア:

[(1, 64998375), (3, 21666125), (5, 12999675), (13, 4999875), (15, 4333225), (25, 2599935), (39, 1666625), (65, 999975), (67, 970125), (75, 866645), (125, 519987), (195, 333325), (199, 326625), (201, 323375), (325, 199995), (335, 194025), (375, 173329), (597, 108875), (871, 74625), (975, 66665), (995, 65325), (1005, 64675), (1625, 39999), (1675, 38805), (2587, 25125), (2613, 24875), (2985, 21775), (4355, 14925), (4875, 13333), (4975, 13065), (5025, 12935), (7761, 8375)]