261077115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 455626080

約数和(自身を除く): 194548965

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 181, 195, 507, 543, 569, 845, 905, 1707, 2353, 2535, 2715, 2845, 7059, 7397, 8535, 11765, 22191, 30589, 35295, 36985, 91767, 96161, 102989, 110955, 152945, 288483, 308967, 458835, 480805, 514945, 1338857, 1442415, 1544835, 4016571, 6694285, 17405141, 20082855, 52215423, 87025705, 261077115]

約数ペア:

[(1, 261077115), (3, 87025705), (5, 52215423), (13, 20082855), (15, 17405141), (39, 6694285), (65, 4016571), (169, 1544835), (181, 1442415), (195, 1338857), (507, 514945), (543, 480805), (569, 458835), (845, 308967), (905, 288483), (1707, 152945), (2353, 110955), (2535, 102989), (2715, 96161), (2845, 91767), (7059, 36985), (7397, 35295), (8535, 30589), (11765, 22191)]