21752809875

素因数分解:

$3^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{121609}}^1$

素因数の和:121686

約数の個数: 64

約数和(自身を含む): 40977705600

約数和(自身を除く): 19224895725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 125, 135, 159, 225, 265, 375, 477, 675, 795, 1125, 1325, 1431, 2385, 3375, 3975, 6625, 7155, 11925, 19875, 35775, 59625, 121609, 178875, 364827, 608045, 1094481, 1824135, 3040225, 3283443, 5472405, 6445277, 9120675, 15201125, 16417215, 19335831, 27362025, 32226385, 45603375, 58007493, 82086075, 96679155, 136810125, 161131925, 174022479, 290037465, 410430375, 483395775, 805659625, 870112395, 1450187325, 2416978875, 4350561975, 7250936625, 21752809875]

約数ペア:

[(1, 21752809875), (3, 7250936625), (5, 4350561975), (9, 2416978875), (15, 1450187325), (25, 870112395), (27, 805659625), (45, 483395775), (53, 410430375), (75, 290037465), (125, 174022479), (135, 161131925), (159, 136810125), (225, 96679155), (265, 82086075), (375, 58007493), (477, 45603375), (675, 32226385), (795, 27362025), (1125, 19335831), (1325, 16417215), (1431, 15201125), (2385, 9120675), (3375, 6445277), (3975, 5472405), (6625, 3283443), (7155, 3040225), (11925, 1824135), (19875, 1094481), (35775, 608045), (59625, 364827), (121609, 178875)]