38999025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 76731200

約数和(自身を除く): 37732175

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 117, 195, 199, 201, 225, 325, 335, 585, 597, 603, 871, 975, 995, 1005, 1675, 1791, 2587, 2613, 2925, 2985, 3015, 4355, 4975, 5025, 7761, 7839, 8955, 12935, 13065, 13333, 14925, 15075, 21775, 23283, 38805, 39195, 39999, 44775, 64675, 65325, 66665, 116415, 119997, 173329, 194025, 195975, 199995, 333325, 519987, 582075, 599985, 866645, 999975, 1559961, 2599935, 2999925, 4333225, 7799805, 12999675, 38999025]

約数ペア:

[(1, 38999025), (3, 12999675), (5, 7799805), (9, 4333225), (13, 2999925), (15, 2599935), (25, 1559961), (39, 999975), (45, 866645), (65, 599985), (67, 582075), (75, 519987), (117, 333325), (195, 199995), (199, 195975), (201, 194025), (225, 173329), (325, 119997), (335, 116415), (585, 66665), (597, 65325), (603, 64675), (871, 44775), (975, 39999), (995, 39195), (1005, 38805), (1675, 23283), (1791, 21775), (2587, 15075), (2613, 14925), (2925, 13333), (2985, 13065), (3015, 12935), (4355, 8955), (4975, 7839), (5025, 7761)]