1976625

素因数分解:

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

素因数の和:279

約数の個数: 48

約数和(自身を含む): 4088448

約数和(自身を除く): 2111823

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 251, 315, 375, 525, 753, 875, 1125, 1255, 1575, 1757, 2259, 2625, 3765, 5271, 6275, 7875, 8785, 11295, 15813, 18825, 26355, 31375, 43925, 56475, 79065, 94125, 131775, 219625, 282375, 395325, 658875, 1976625]

約数ペア:

[(1, 1976625), (3, 658875), (5, 395325), (7, 282375), (9, 219625), (15, 131775), (21, 94125), (25, 79065), (35, 56475), (45, 43925), (63, 31375), (75, 26355), (105, 18825), (125, 15813), (175, 11295), (225, 8785), (251, 7875), (315, 6275), (375, 5271), (525, 3765), (753, 2625), (875, 2259), (1125, 1757), (1255, 1575)]