28107495

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 26667225

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2089, 2691, 4485, 6267, 10445, 13455, 18801, 27157, 31335, 48047, 81471, 94005, 135785, 144141, 240235, 244413, 407355, 432423, 624611, 720705, 1222065, 1873833, 2162115, 3123055, 5621499, 9369165, 28107495]

約数ペア:

[(1, 28107495), (3, 9369165), (5, 5621499), (9, 3123055), (13, 2162115), (15, 1873833), (23, 1222065), (39, 720705), (45, 624611), (65, 432423), (69, 407355), (115, 244413), (117, 240235), (195, 144141), (207, 135785), (299, 94005), (345, 81471), (585, 48047), (897, 31335), (1035, 27157), (1495, 18801), (2089, 13455), (2691, 10445), (4485, 6267)]