25838925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 50889600

約数和(自身を除く): 25050675

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 79, 89, 105, 147, 175, 237, 245, 267, 395, 445, 525, 553, 623, 735, 1185, 1225, 1335, 1659, 1869, 1975, 2225, 2765, 3115, 3675, 3871, 4361, 5925, 6675, 7031, 8295, 9345, 11613, 13083, 13825, 15575, 19355, 21093, 21805, 35155, 41475, 46725, 49217, 58065, 65415, 96775, 105465, 109025, 147651, 175775, 246085, 290325, 327075, 344519, 527325, 738255, 1033557, 1230425, 1722595, 3691275, 5167785, 8612975, 25838925]

約数ペア:

[(1, 25838925), (3, 8612975), (5, 5167785), (7, 3691275), (15, 1722595), (21, 1230425), (25, 1033557), (35, 738255), (49, 527325), (75, 344519), (79, 327075), (89, 290325), (105, 246085), (147, 175775), (175, 147651), (237, 109025), (245, 105465), (267, 96775), (395, 65415), (445, 58065), (525, 49217), (553, 46725), (623, 41475), (735, 35155), (1185, 21805), (1225, 21093), (1335, 19355), (1659, 15575), (1869, 13825), (1975, 13083), (2225, 11613), (2765, 9345), (3115, 8295), (3675, 7031), (3871, 6675), (4361, 5925)]