38945025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 80986880

約数和(自身を除く): 42041855

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 175, 225, 237, 313, 315, 395, 525, 553, 711, 939, 1185, 1565, 1575, 1659, 1975, 2191, 2765, 2817, 3555, 4695, 4977, 5925, 6573, 7825, 8295, 10955, 13825, 14085, 17775, 19719, 23475, 24727, 24885, 32865, 41475, 54775, 70425, 74181, 98595, 123635, 124425, 164325, 173089, 222543, 370905, 492975, 519267, 618175, 865445, 1112715, 1557801, 1854525, 2596335, 4327225, 5563575, 7789005, 12981675, 38945025]

約数ペア:

[(1, 38945025), (3, 12981675), (5, 7789005), (7, 5563575), (9, 4327225), (15, 2596335), (21, 1854525), (25, 1557801), (35, 1112715), (45, 865445), (63, 618175), (75, 519267), (79, 492975), (105, 370905), (175, 222543), (225, 173089), (237, 164325), (313, 124425), (315, 123635), (395, 98595), (525, 74181), (553, 70425), (711, 54775), (939, 41475), (1185, 32865), (1565, 24885), (1575, 24727), (1659, 23475), (1975, 19719), (2191, 17775), (2765, 14085), (2817, 13825), (3555, 10955), (4695, 8295), (4977, 7825), (5925, 6573)]