204906975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4329

約数の個数: 72

約数和(自身を含む): 424504080

約数和(自身を除く): 219597105

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 455, 525, 637, 735, 975, 1225, 1365, 1911, 2275, 3185, 3675, 4289, 6825, 9555, 12867, 15925, 21445, 30023, 47775, 55757, 64335, 90069, 107225, 150115, 167271, 210161, 278785, 321675, 390299, 450345, 630483, 750575, 836355, 1050805, 1170897, 1393925, 1951495, 2251725, 2732093, 3152415, 4181775, 5254025, 5854485, 8196279, 9757475, 13660465, 15762075, 29272425, 40981395, 68302325, 204906975]

約数ペア:

[(1, 204906975), (3, 68302325), (5, 40981395), (7, 29272425), (13, 15762075), (15, 13660465), (21, 9757475), (25, 8196279), (35, 5854485), (39, 5254025), (49, 4181775), (65, 3152415), (75, 2732093), (91, 2251725), (105, 1951495), (147, 1393925), (175, 1170897), (195, 1050805), (245, 836355), (273, 750575), (325, 630483), (455, 450345), (525, 390299), (637, 321675), (735, 278785), (975, 210161), (1225, 167271), (1365, 150115), (1911, 107225), (2275, 90069), (3185, 64335), (3675, 55757), (4289, 47775), (6825, 30023), (9555, 21445), (12867, 15925)]