71375175

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 137213440

約数和(自身を除く): 65838265

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 243, 279, 379, 405, 465, 675, 775, 837, 1137, 1215, 1395, 1895, 2025, 2325, 2511, 3411, 4185, 5685, 6075, 6975, 7533, 9475, 10233, 11749, 12555, 17055, 20925, 28425, 30699, 35247, 37665, 51165, 58745, 62775, 85275, 92097, 105741, 153495, 176235, 188325, 255825, 293725, 317223, 460485, 528705, 767475, 881175, 951669, 1586115, 2302425, 2643525, 2855007, 4758345, 7930575, 14275035, 23791725, 71375175]

約数ペア:

[(1, 71375175), (3, 23791725), (5, 14275035), (9, 7930575), (15, 4758345), (25, 2855007), (27, 2643525), (31, 2302425), (45, 1586115), (75, 951669), (81, 881175), (93, 767475), (135, 528705), (155, 460485), (225, 317223), (243, 293725), (279, 255825), (379, 188325), (405, 176235), (465, 153495), (675, 105741), (775, 92097), (837, 85275), (1137, 62775), (1215, 58745), (1395, 51165), (1895, 37665), (2025, 35247), (2325, 30699), (2511, 28425), (3411, 20925), (4185, 17055), (5685, 12555), (6075, 11749), (6975, 10233), (7533, 9475)]