155776875

素因数分解:

$3^1\times 5^4\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 261366336

約数和(自身を除く): 105589461

約数列:

[1, 3, 5, 15, 25, 75, 125, 251, 331, 375, 625, 753, 993, 1255, 1655, 1875, 3765, 4965, 6275, 8275, 18825, 24825, 31375, 41375, 83081, 94125, 124125, 156875, 206875, 249243, 415405, 470625, 620625, 1246215, 2077025, 6231075, 10385125, 31155375, 51925625, 155776875]

約数ペア:

[(1, 155776875), (3, 51925625), (5, 31155375), (15, 10385125), (25, 6231075), (75, 2077025), (125, 1246215), (251, 620625), (331, 470625), (375, 415405), (625, 249243), (753, 206875), (993, 156875), (1255, 124125), (1655, 94125), (1875, 83081), (3765, 41375), (4965, 31375), (6275, 24825), (8275, 18825)]