27778865175

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{23021}}^1$

素因数の和:23241

約数の個数: 72

約数和(自身を含む): 51659157888

約数和(自身を除く): 23880292713

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 173, 225, 279, 465, 519, 775, 865, 1395, 1557, 2325, 2595, 4325, 5363, 6975, 7785, 12975, 16089, 23021, 26815, 38925, 48267, 69063, 80445, 115105, 134075, 207189, 241335, 345315, 402225, 575525, 713651, 1035945, 1206675, 1726575, 2140953, 3568255, 3982633, 5179725, 6422859, 10704765, 11947899, 17841275, 19913165, 32114295, 35843697, 53523825, 59739495, 99565825, 123461623, 160571475, 179218485, 298697475, 370384869, 617308115, 896092425, 1111154607, 1851924345, 3086540575, 5555773035, 9259621725, 27778865175]

約数ペア:

[(1, 27778865175), (3, 9259621725), (5, 5555773035), (9, 3086540575), (15, 1851924345), (25, 1111154607), (31, 896092425), (45, 617308115), (75, 370384869), (93, 298697475), (155, 179218485), (173, 160571475), (225, 123461623), (279, 99565825), (465, 59739495), (519, 53523825), (775, 35843697), (865, 32114295), (1395, 19913165), (1557, 17841275), (2325, 11947899), (2595, 10704765), (4325, 6422859), (5363, 5179725), (6975, 3982633), (7785, 3568255), (12975, 2140953), (16089, 1726575), (23021, 1206675), (26815, 1035945), (38925, 713651), (48267, 575525), (69063, 402225), (80445, 345315), (115105, 241335), (134075, 207189)]