7141995

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 14938560

約数和(自身を除く): 7796565

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 79, 105, 123, 147, 205, 237, 245, 287, 315, 369, 395, 441, 553, 615, 711, 735, 861, 1185, 1435, 1659, 1845, 2009, 2205, 2583, 2765, 3239, 3555, 3871, 4305, 4977, 6027, 8295, 9717, 10045, 11613, 12915, 16195, 18081, 19355, 22673, 24885, 29151, 30135, 34839, 48585, 58065, 68019, 90405, 113365, 145755, 158711, 174195, 204057, 340095, 476133, 793555, 1020285, 1428399, 2380665, 7141995]

約数ペア:

[(1, 7141995), (3, 2380665), (5, 1428399), (7, 1020285), (9, 793555), (15, 476133), (21, 340095), (35, 204057), (41, 174195), (45, 158711), (49, 145755), (63, 113365), (79, 90405), (105, 68019), (123, 58065), (147, 48585), (205, 34839), (237, 30135), (245, 29151), (287, 24885), (315, 22673), (369, 19355), (395, 18081), (441, 16195), (553, 12915), (615, 11613), (711, 10045), (735, 9717), (861, 8295), (1185, 6027), (1435, 4977), (1659, 4305), (1845, 3871), (2009, 3555), (2205, 3239), (2583, 2765)]