219643395

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{1597}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 360355392

約数和(自身を除く): 140711997

約数列:

[1, 3, 5, 15, 53, 159, 173, 265, 519, 795, 865, 1597, 2595, 4791, 7985, 9169, 23955, 27507, 45845, 84641, 137535, 253923, 276281, 423205, 828843, 1269615, 1381405, 4144215, 14642893, 43928679, 73214465, 219643395]

約数ペア:

[(1, 219643395), (3, 73214465), (5, 43928679), (15, 14642893), (53, 4144215), (159, 1381405), (173, 1269615), (265, 828843), (519, 423205), (795, 276281), (865, 253923), (1597, 137535), (2595, 84641), (4791, 45845), (7985, 27507), (9169, 23955)]