520001235

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1637}}^1$

素因数の和:1845

約数の個数: 64

約数和(自身を含む): 1001669760

約数和(自身を除く): 481668525

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 181, 195, 351, 543, 585, 905, 1629, 1637, 1755, 2353, 2715, 4887, 4911, 7059, 8145, 8185, 11765, 14733, 21177, 21281, 24435, 24555, 35295, 44199, 63531, 63843, 73665, 105885, 106405, 191529, 220995, 296297, 317655, 319215, 574587, 888891, 957645, 1481485, 2666673, 2872935, 3851861, 4444455, 8000019, 11555583, 13333365, 19259305, 34666749, 40000095, 57777915, 104000247, 173333745, 520001235]

約数ペア:

[(1, 520001235), (3, 173333745), (5, 104000247), (9, 57777915), (13, 40000095), (15, 34666749), (27, 19259305), (39, 13333365), (45, 11555583), (65, 8000019), (117, 4444455), (135, 3851861), (181, 2872935), (195, 2666673), (351, 1481485), (543, 957645), (585, 888891), (905, 574587), (1629, 319215), (1637, 317655), (1755, 296297), (2353, 220995), (2715, 191529), (4887, 106405), (4911, 105885), (7059, 73665), (8145, 63843), (8185, 63531), (11765, 44199), (14733, 35295), (21177, 24555), (21281, 24435)]