38390625

素因数分解:

$3^3\times 5^6\times 7^1\times {\mathrm{13}}^1$

素因数の和:59

約数の個数: 112

約数和(自身を含む): 87498880

約数和(自身を除く): 49108255

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 125, 135, 175, 189, 195, 225, 273, 315, 325, 351, 375, 455, 525, 585, 625, 675, 819, 875, 945, 975, 1125, 1365, 1575, 1625, 1755, 1875, 2275, 2457, 2625, 2925, 3125, 3375, 4095, 4375, 4725, 4875, 5625, 6825, 7875, 8125, 8775, 9375, 11375, 12285, 13125, 14625, 15625, 16875, 20475, 21875, 23625, 24375, 28125, 34125, 39375, 40625, 43875, 46875, 56875, 61425, 65625, 73125, 84375, 102375, 109375, 118125, 121875, 140625, 170625, 196875, 203125, 219375, 284375, 307125, 328125, 365625, 421875, 511875, 590625, 609375, 853125, 984375, 1096875, 1421875, 1535625, 1828125, 2559375, 2953125, 4265625, 5484375, 7678125, 12796875, 38390625]

約数ペア:

[(1, 38390625), (3, 12796875), (5, 7678125), (7, 5484375), (9, 4265625), (13, 2953125), (15, 2559375), (21, 1828125), (25, 1535625), (27, 1421875), (35, 1096875), (39, 984375), (45, 853125), (63, 609375), (65, 590625), (75, 511875), (91, 421875), (105, 365625), (117, 328125), (125, 307125), (135, 284375), (175, 219375), (189, 203125), (195, 196875), (225, 170625), (273, 140625), (315, 121875), (325, 118125), (351, 109375), (375, 102375), (455, 84375), (525, 73125), (585, 65625), (625, 61425), (675, 56875), (819, 46875), (875, 43875), (945, 40625), (975, 39375), (1125, 34125), (1365, 28125), (1575, 24375), (1625, 23625), (1755, 21875), (1875, 20475), (2275, 16875), (2457, 15625), (2625, 14625), (2925, 13125), (3125, 12285), (3375, 11375), (4095, 9375), (4375, 8775), (4725, 8125), (4875, 7875), (5625, 6825)]