221052585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{6263}}^1$

素因数の和:6465

約数の個数: 32

約数和(自身を含む): 383056128

約数和(自身を除く): 162003543

約数列:

[1, 3, 5, 13, 15, 39, 65, 181, 195, 543, 905, 2353, 2715, 6263, 7059, 11765, 18789, 31315, 35295, 81419, 93945, 244257, 407095, 1133603, 1221285, 3400809, 5668015, 14736839, 17004045, 44210517, 73684195, 221052585]

約数ペア:

[(1, 221052585), (3, 73684195), (5, 44210517), (13, 17004045), (15, 14736839), (39, 5668015), (65, 3400809), (181, 1221285), (195, 1133603), (543, 407095), (905, 244257), (2353, 93945), (2715, 81419), (6263, 35295), (7059, 31315), (11765, 18789)]