72412785

素因数分解:

$3^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 131616576

約数和(自身を除く): 59203791

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 243, 321, 405, 535, 557, 963, 1215, 1605, 1671, 2785, 2889, 4815, 5013, 8355, 8667, 14445, 15039, 25065, 26001, 43335, 45117, 59599, 75195, 130005, 135351, 178797, 225585, 297995, 536391, 676755, 893985, 1609173, 2681955, 4827519, 8045865, 14482557, 24137595, 72412785]

約数ペア:

[(1, 72412785), (3, 24137595), (5, 14482557), (9, 8045865), (15, 4827519), (27, 2681955), (45, 1609173), (81, 893985), (107, 676755), (135, 536391), (243, 297995), (321, 225585), (405, 178797), (535, 135351), (557, 130005), (963, 75195), (1215, 59599), (1605, 45117), (1671, 43335), (2785, 26001), (2889, 25065), (4815, 15039), (5013, 14445), (8355, 8667)]