251015175

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 480504960

約数和(自身を除く): 229489785

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 95, 171, 213, 225, 285, 355, 475, 639, 827, 855, 1065, 1349, 1425, 1775, 2481, 3195, 4047, 4135, 4275, 5325, 6745, 7443, 12141, 12405, 15713, 15975, 20235, 20675, 33725, 37215, 47139, 58717, 60705, 62025, 78565, 101175, 141417, 176151, 186075, 235695, 293585, 303525, 392825, 528453, 707085, 880755, 1115623, 1178475, 1467925, 2642265, 3346869, 3535425, 4403775, 5578115, 10040607, 13211325, 16734345, 27890575, 50203035, 83671725, 251015175]

約数ペア:

[(1, 251015175), (3, 83671725), (5, 50203035), (9, 27890575), (15, 16734345), (19, 13211325), (25, 10040607), (45, 5578115), (57, 4403775), (71, 3535425), (75, 3346869), (95, 2642265), (171, 1467925), (213, 1178475), (225, 1115623), (285, 880755), (355, 707085), (475, 528453), (639, 392825), (827, 303525), (855, 293585), (1065, 235695), (1349, 186075), (1425, 176151), (1775, 141417), (2481, 101175), (3195, 78565), (4047, 62025), (4135, 60705), (4275, 58717), (5325, 47139), (6745, 37215), (7443, 33725), (12141, 20675), (12405, 20235), (15713, 15975)]