1389897405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{9619}}^1$

素因数の和:9675

約数の個数: 72

約数和(自身を含む): 2746317600

約数和(自身を除く): 1356420195

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 169, 171, 195, 247, 285, 507, 585, 741, 845, 855, 1235, 1521, 2223, 2535, 3211, 3705, 7605, 9619, 9633, 11115, 16055, 28857, 28899, 48095, 48165, 86571, 125047, 144285, 144495, 182761, 375141, 432855, 548283, 625235, 913805, 1125423, 1625611, 1644849, 1875705, 2375893, 2741415, 4876833, 5627115, 7127679, 8128055, 8224245, 11879465, 14630499, 21383037, 24384165, 30886609, 35638395, 73152495, 92659827, 106915185, 154433045, 277979481, 463299135, 1389897405]

約数ペア:

[(1, 1389897405), (3, 463299135), (5, 277979481), (9, 154433045), (13, 106915185), (15, 92659827), (19, 73152495), (39, 35638395), (45, 30886609), (57, 24384165), (65, 21383037), (95, 14630499), (117, 11879465), (169, 8224245), (171, 8128055), (195, 7127679), (247, 5627115), (285, 4876833), (507, 2741415), (585, 2375893), (741, 1875705), (845, 1644849), (855, 1625611), (1235, 1125423), (1521, 913805), (2223, 625235), (2535, 548283), (3211, 432855), (3705, 375141), (7605, 182761), (9619, 144495), (9633, 144285), (11115, 125047), (16055, 86571), (28857, 48165), (28899, 48095)]