217872315

素因数分解:

$3^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{2797}}^1$

素因数の和:3388

約数の個数: 32

約数和(自身を含む): 388138560

約数和(自身を除く): 170266245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 577, 1731, 2797, 2885, 5193, 8391, 8655, 13985, 15579, 25173, 25965, 41955, 75519, 77895, 125865, 377595, 1613869, 4841607, 8069345, 14524821, 24208035, 43574463, 72624105, 217872315]

約数ペア:

[(1, 217872315), (3, 72624105), (5, 43574463), (9, 24208035), (15, 14524821), (27, 8069345), (45, 4841607), (135, 1613869), (577, 377595), (1731, 125865), (2797, 77895), (2885, 75519), (5193, 41955), (8391, 25965), (8655, 25173), (13985, 15579)]