72871575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 142490880

約数和(自身を除く): 69619305

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 79, 105, 147, 175, 237, 245, 251, 395, 525, 553, 735, 753, 1185, 1225, 1255, 1659, 1757, 1975, 2765, 3675, 3765, 3871, 5271, 5925, 6275, 8295, 8785, 11613, 12299, 13825, 18825, 19355, 19829, 26355, 36897, 41475, 43925, 58065, 59487, 61495, 96775, 99145, 131775, 138803, 184485, 290325, 297435, 307475, 416409, 495725, 694015, 922425, 971621, 1487175, 2082045, 2914863, 3470075, 4858105, 10410225, 14574315, 24290525, 72871575]

約数ペア:

[(1, 72871575), (3, 24290525), (5, 14574315), (7, 10410225), (15, 4858105), (21, 3470075), (25, 2914863), (35, 2082045), (49, 1487175), (75, 971621), (79, 922425), (105, 694015), (147, 495725), (175, 416409), (237, 307475), (245, 297435), (251, 290325), (395, 184485), (525, 138803), (553, 131775), (735, 99145), (753, 96775), (1185, 61495), (1225, 59487), (1255, 58065), (1659, 43925), (1757, 41475), (1975, 36897), (2765, 26355), (3675, 19829), (3765, 19355), (3871, 18825), (5271, 13825), (5925, 12299), (6275, 11613), (8295, 8785)]