69918975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 144847872

約数和(自身を除く): 74928897

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 103, 105, 175, 225, 309, 315, 431, 515, 525, 721, 927, 1293, 1545, 1575, 2155, 2163, 2575, 3017, 3605, 3879, 4635, 6465, 6489, 7725, 9051, 10775, 10815, 15085, 18025, 19395, 23175, 27153, 32325, 32445, 44393, 45255, 54075, 75425, 96975, 133179, 135765, 162225, 221965, 226275, 310751, 399537, 665895, 678825, 932253, 1109825, 1553755, 1997685, 2796759, 3329475, 4661265, 7768775, 9988425, 13983795, 23306325, 69918975]

約数ペア:

[(1, 69918975), (3, 23306325), (5, 13983795), (7, 9988425), (9, 7768775), (15, 4661265), (21, 3329475), (25, 2796759), (35, 1997685), (45, 1553755), (63, 1109825), (75, 932253), (103, 678825), (105, 665895), (175, 399537), (225, 310751), (309, 226275), (315, 221965), (431, 162225), (515, 135765), (525, 133179), (721, 96975), (927, 75425), (1293, 54075), (1545, 45255), (1575, 44393), (2155, 32445), (2163, 32325), (2575, 27153), (3017, 23175), (3605, 19395), (3879, 18025), (4635, 15085), (6465, 10815), (6489, 10775), (7725, 9051)]