1640952915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{72019}}^1$

素因数の和:72072

約数の個数: 48

約数和(自身を含む): 3152747520

約数和(自身を除く): 1511794605

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 1085, 1519, 3255, 4557, 7595, 22785, 72019, 216057, 360095, 504133, 1080285, 1512399, 2232589, 2520665, 3528931, 6697767, 7561995, 10586793, 11162945, 15628123, 17644655, 33488835, 46884369, 52933965, 78140615, 109396861, 234421845, 328190583, 546984305, 1640952915]

約数ペア:

[(1, 1640952915), (3, 546984305), (5, 328190583), (7, 234421845), (15, 109396861), (21, 78140615), (31, 52933965), (35, 46884369), (49, 33488835), (93, 17644655), (105, 15628123), (147, 11162945), (155, 10586793), (217, 7561995), (245, 6697767), (465, 3528931), (651, 2520665), (735, 2232589), (1085, 1512399), (1519, 1080285), (3255, 504133), (4557, 360095), (7595, 216057), (22785, 72019)]