83378775

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 142081184

約数和(自身を除く): 58702409

約数列:

[1, 3, 5, 15, 25, 73, 75, 97, 157, 219, 291, 365, 471, 485, 785, 1095, 1455, 1825, 2355, 2425, 3925, 5475, 7081, 7275, 11461, 11775, 15229, 21243, 34383, 35405, 45687, 57305, 76145, 106215, 171915, 177025, 228435, 286525, 380725, 531075, 859575, 1111717, 1142175, 3335151, 5558585, 16675755, 27792925, 83378775]

約数ペア:

[(1, 83378775), (3, 27792925), (5, 16675755), (15, 5558585), (25, 3335151), (73, 1142175), (75, 1111717), (97, 859575), (157, 531075), (219, 380725), (291, 286525), (365, 228435), (471, 177025), (485, 171915), (785, 106215), (1095, 76145), (1455, 57305), (1825, 45687), (2355, 35405), (2425, 34383), (3925, 21243), (5475, 15229), (7081, 11775), (7275, 11461)]