161653323

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 247496256

約数和(自身を除く): 85842933

約数列:

[1, 3, 13, 17, 39, 51, 157, 221, 471, 663, 1553, 2041, 2669, 4659, 6123, 8007, 20189, 26401, 34697, 60567, 79203, 104091, 243821, 343213, 731463, 1029639, 3169673, 4144957, 9509019, 12434871, 53884441, 161653323]

約数ペア:

[(1, 161653323), (3, 53884441), (13, 12434871), (17, 9509019), (39, 4144957), (51, 3169673), (157, 1029639), (221, 731463), (471, 343213), (663, 243821), (1553, 104091), (2041, 79203), (2669, 60567), (4659, 34697), (6123, 26401), (8007, 20189)]