65217747

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 105408000

約数和(自身を除く): 40190253

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 1097, 2831, 3129, 3291, 7679, 8493, 19817, 20843, 23037, 59451, 62529, 145901, 163453, 437703, 490359, 1144171, 3105607, 3432513, 9316821, 21739249, 65217747]

約数ペア:

[(1, 65217747), (3, 21739249), (7, 9316821), (19, 3432513), (21, 3105607), (57, 1144171), (133, 490359), (149, 437703), (399, 163453), (447, 145901), (1043, 62529), (1097, 59451), (2831, 23037), (3129, 20843), (3291, 19817), (7679, 8493)]