74820825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 146704896

約数和(自身を除く): 71884071

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 153, 155, 225, 255, 279, 425, 465, 527, 631, 765, 775, 1275, 1395, 1581, 1893, 2325, 2635, 3155, 3825, 4743, 5679, 6975, 7905, 9465, 10727, 13175, 15775, 19561, 23715, 28395, 32181, 39525, 47325, 53635, 58683, 96543, 97805, 118575, 141975, 160905, 176049, 268175, 293415, 332537, 482715, 489025, 804525, 880245, 997611, 1467075, 1662685, 2413575, 2992833, 4401225, 4988055, 8313425, 14964165, 24940275, 74820825]

約数ペア:

[(1, 74820825), (3, 24940275), (5, 14964165), (9, 8313425), (15, 4988055), (17, 4401225), (25, 2992833), (31, 2413575), (45, 1662685), (51, 1467075), (75, 997611), (85, 880245), (93, 804525), (153, 489025), (155, 482715), (225, 332537), (255, 293415), (279, 268175), (425, 176049), (465, 160905), (527, 141975), (631, 118575), (765, 97805), (775, 96543), (1275, 58683), (1395, 53635), (1581, 47325), (1893, 39525), (2325, 32181), (2635, 28395), (3155, 23715), (3825, 19561), (4743, 15775), (5679, 13175), (6975, 10727), (7905, 9465)]