25028871

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 40512000

約数和(自身を除く): 15483129

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 421, 447, 1043, 1263, 2831, 2947, 3129, 7999, 8493, 8841, 19817, 23997, 55993, 59451, 62729, 167979, 188187, 439103, 1191851, 1317309, 3575553, 8342957, 25028871]

約数ペア:

[(1, 25028871), (3, 8342957), (7, 3575553), (19, 1317309), (21, 1191851), (57, 439103), (133, 188187), (149, 167979), (399, 62729), (421, 59451), (447, 55993), (1043, 23997), (1263, 19817), (2831, 8841), (2947, 8493), (3129, 7999)]