204346545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61643}}^1$

素因数の和:61681

約数の個数: 32

約数和(自身を含む): 372822912

約数和(自身を除く): 168476367

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 61643, 184929, 308215, 801359, 924645, 1047931, 2404077, 3143793, 4006795, 5239655, 12020385, 13623103, 15718965, 40869309, 68115515, 204346545]

約数ペア:

[(1, 204346545), (3, 68115515), (5, 40869309), (13, 15718965), (15, 13623103), (17, 12020385), (39, 5239655), (51, 4006795), (65, 3143793), (85, 2404077), (195, 1047931), (221, 924645), (255, 801359), (663, 308215), (1105, 184929), (3315, 61643)]