1897155

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 3870720

約数和(自身を除く): 1973565

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 47, 65, 69, 115, 117, 135, 141, 195, 207, 235, 299, 345, 351, 423, 585, 611, 621, 705, 897, 1035, 1081, 1269, 1495, 1755, 1833, 2115, 2691, 3055, 3105, 3243, 4485, 5405, 5499, 6345, 8073, 9165, 9729, 13455, 14053, 16215, 16497, 27495, 29187, 40365, 42159, 48645, 70265, 82485, 126477, 145935, 210795, 379431, 632385, 1897155]

約数ペア:

[(1, 1897155), (3, 632385), (5, 379431), (9, 210795), (13, 145935), (15, 126477), (23, 82485), (27, 70265), (39, 48645), (45, 42159), (47, 40365), (65, 29187), (69, 27495), (115, 16497), (117, 16215), (135, 14053), (141, 13455), (195, 9729), (207, 9165), (235, 8073), (299, 6345), (345, 5499), (351, 5405), (423, 4485), (585, 3243), (611, 3105), (621, 3055), (705, 2691), (897, 2115), (1035, 1833), (1081, 1755), (1269, 1495)]