25281795

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 53187840

約数和(自身を除く): 27906045

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 53, 55, 59, 77, 105, 147, 159, 165, 177, 231, 245, 265, 295, 371, 385, 413, 539, 583, 649, 735, 795, 885, 1113, 1155, 1239, 1617, 1749, 1855, 1947, 2065, 2597, 2695, 2891, 2915, 3127, 3245, 4081, 4543, 5565, 6195, 7791, 8085, 8673, 8745, 9381, 9735, 12243, 12985, 13629, 14455, 15635, 20405, 21889, 22715, 28567, 31801, 34397, 38955, 43365, 46905, 61215, 65667, 68145, 85701, 95403, 103191, 109445, 142835, 153223, 159005, 171985, 240779, 328335, 428505, 459669, 477015, 515955, 722337, 766115, 1203895, 1685453, 2298345, 3611685, 5056359, 8427265, 25281795]

約数ペア:

[(1, 25281795), (3, 8427265), (5, 5056359), (7, 3611685), (11, 2298345), (15, 1685453), (21, 1203895), (33, 766115), (35, 722337), (49, 515955), (53, 477015), (55, 459669), (59, 428505), (77, 328335), (105, 240779), (147, 171985), (159, 159005), (165, 153223), (177, 142835), (231, 109445), (245, 103191), (265, 95403), (295, 85701), (371, 68145), (385, 65667), (413, 61215), (539, 46905), (583, 43365), (649, 38955), (735, 34397), (795, 31801), (885, 28567), (1113, 22715), (1155, 21889), (1239, 20405), (1617, 15635), (1749, 14455), (1855, 13629), (1947, 12985), (2065, 12243), (2597, 9735), (2695, 9381), (2891, 8745), (2915, 8673), (3127, 8085), (3245, 7791), (4081, 6195), (4543, 5565)]