15907905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 14283711

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 383, 585, 639, 923, 1065, 1149, 1915, 2769, 3195, 3447, 4615, 4979, 5745, 8307, 13845, 14937, 17235, 24895, 27193, 41535, 44811, 74685, 81579, 135965, 224055, 244737, 353509, 407895, 1060527, 1223685, 1767545, 3181581, 5302635, 15907905]

約数ペア:

[(1, 15907905), (3, 5302635), (5, 3181581), (9, 1767545), (13, 1223685), (15, 1060527), (39, 407895), (45, 353509), (65, 244737), (71, 224055), (117, 135965), (195, 81579), (213, 74685), (355, 44811), (383, 41535), (585, 27193), (639, 24895), (923, 17235), (1065, 14937), (1149, 13845), (1915, 8307), (2769, 5745), (3195, 4979), (3447, 4615)]