215877885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{21577}}^1$

素因数の和:21637

約数の個数: 32

約数和(自身を含む): 372867840

約数和(自身を除く): 156989955

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 10005, 21577, 64731, 107885, 323655, 496271, 625733, 1488813, 1877199, 2481355, 3128665, 7444065, 9385995, 14391859, 43175577, 71959295, 215877885]

約数ペア:

[(1, 215877885), (3, 71959295), (5, 43175577), (15, 14391859), (23, 9385995), (29, 7444065), (69, 3128665), (87, 2481355), (115, 1877199), (145, 1488813), (345, 625733), (435, 496271), (667, 323655), (2001, 107885), (3335, 64731), (10005, 21577)]