27954405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 51816960

約数和(自身を除く): 23862555

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 691, 899, 1305, 1395, 2073, 2697, 3455, 4495, 6219, 8091, 10365, 13485, 20039, 21421, 31095, 40455, 60117, 64263, 100195, 107105, 180351, 192789, 300585, 321315, 621209, 901755, 963945, 1863627, 3106045, 5590881, 9318135, 27954405]

約数ペア:

[(1, 27954405), (3, 9318135), (5, 5590881), (9, 3106045), (15, 1863627), (29, 963945), (31, 901755), (45, 621209), (87, 321315), (93, 300585), (145, 192789), (155, 180351), (261, 107105), (279, 100195), (435, 64263), (465, 60117), (691, 40455), (899, 31095), (1305, 21421), (1395, 20039), (2073, 13485), (2697, 10365), (3455, 8091), (4495, 6219)]