28539045

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 25374555

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1151, 1305, 1653, 2755, 3453, 4959, 5755, 8265, 10359, 17265, 21869, 24795, 33379, 51795, 65607, 100137, 109345, 166895, 196821, 300411, 328035, 500685, 634201, 984105, 1502055, 1902603, 3171005, 5707809, 9513015, 28539045]

約数ペア:

[(1, 28539045), (3, 9513015), (5, 5707809), (9, 3171005), (15, 1902603), (19, 1502055), (29, 984105), (45, 634201), (57, 500685), (87, 328035), (95, 300411), (145, 196821), (171, 166895), (261, 109345), (285, 100137), (435, 65607), (551, 51795), (855, 33379), (1151, 24795), (1305, 21869), (1653, 17265), (2755, 10359), (3453, 8265), (4959, 5755)]